Magnetic Recording Head Multi-Component Track Architecture
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Solution Overview
Problem
Current magnetic recording and reproducing devices face limitations in increasing recording density due to conventional methods of recording information in a single component, which restricts the potential for higher storage capacity and efficiency.
Innovation Solution
The device records information in multiple recording components within a track, evaluates the quality of these components, and uses the best ones for final recording while reserving others for subsequent use, thereby optimizing recording density and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If information is recorded in a single recording component, then device complexity is reduced, but recording density cannot be increased
Solution Approach 1:
The patent divides a single track into multiple independent recording components (first through fourth recording components). Each component can independently store information, allowing the system to increase recording density by utilizing multiple segments within the same track rather than relying on a single recording location.
Solution Approach 2:
The patent introduces a new dimension of organization by creating multiple recording components within a single track. Instead of expanding only radially or circumferentially, the system now utilizes the track itself as a multi-component structure, effectively adding a hierarchical dimension to the recording architecture.
2Quantity of substance
If multiple recording components are used in a track, then recording density increases, but the process of selecting and managing components becomes more complex
Solution Approach 1:
The patent performs preliminary actions by recording test patterns in all four recording components before actual data recording. This preliminary recording allows the system to evaluate which component provides the best signal quality in advance, simplifying subsequent read-after-write operations by pre-identifying the optimal recording component.
Solution Approach 2:
The system implements feedback mechanisms by reading back the test patterns from each recording component and evaluating signal quality. Based on this feedback, the system automatically selects the best recording component for subsequent operations, creating a closed-loop control system that optimizes performance without manual intervention.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enhances recording density by utilizing multiple components for information storage, ensuring high-quality recording and reproducing while maintaining stability and reducing latency, thus improving storage capacity and operational efficiency.
Implementation Method 1
a magnetic head, and a controller. The plurality of recording tracks includes a first track. The controller causes the magnetic head to implement a first recording operation of recording first information
Implementation Method 2
The controller causes the magnetic head to implement a first reproduction operation of reproducing the first information from a first information reproducing/recording component
Data Source
AI summary
According to one embodiment, a magnetic recording and reproducing device includes a magnetic recording medium including a plurality of recording tracks, a magnetic head, and a controller. The plurality of recording tracks includes a first track. The controller causes the magnetic head to implement a first recording operation of recording first information in at least two of a plurality of first track recording components included in the first track. The controller causes the magnetic head to implement a first reproduction operation of reproducing the first information from a first information reproducing/recording component of one of the at least two of the plurality of first track recording components.